3481244187861 has 16 divisors (see below), whose sum is σ = 5200482719808. Its totient is φ = 2052822124800.

The previous prime is 3481244187851. The next prime is 3481244187901. The reversal of 3481244187861 is 1687814421843.

3481244187861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3481244187861 - 2⁶ = 3481244187797 is a prime.

It is a super-2 number, since 2×3481244187861² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3481244187851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425569700 + ... + 1425572141.

It is an arithmetic number, because the mean of its divisors is an integer number (325030169988).

Almost surely, 2^{3481244187861} is an apocalyptic number.

It is an amenable number.

3481244187861 is a deficient number, since it is larger than the sum of its proper divisors (1719238531947).

3481244187861 is a wasteful number, since it uses less digits than its factorization.

3481244187861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851141892.

The product of its digits is 8257536, while the sum is 57.

The spelling of 3481244187861 in words is "three trillion, four hundred eighty-one billion, two hundred forty-four million, one hundred eighty-seven thousand, eight hundred sixty-one".